ARM: DT: apq8064: Add sdcc support via mcci driver.
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Message ID 1399661696-11766-1-git-send-email-srinivas.kandagatla@linaro.org
State New, archived
Headers show

Commit Message

Srinivas Kandagatla May 9, 2014, 6:54 p.m. UTC
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

This patch adds support to SD card controller using generic pl180 mmci driver.
This patch also adds temporary fixed regulator to get it going till the actual
regulator is mainlined.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 arch/arm/boot/dts/qcom-apq8064-ifc6410.dts | 16 ++++++++++
 arch/arm/boot/dts/qcom-apq8064.dtsi        | 50 ++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)

Patch
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diff --git a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
index c5fda40..ea386bd 100644
--- a/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
+++ b/arch/arm/boot/dts/qcom-apq8064-ifc6410.dts
@@ -4,9 +4,25 @@ 
 	model = "Qualcomm APQ8064/IFC6410";
 	compatible = "qcom,apq8064-ifc6410", "qcom,apq8064";
 
+	aliases {
+		sdcc1 = &sdcc1;
+		sdcc3 = &sdcc3;
+	};
+
 	soc {
 		serial@16640000 {
 			status = "ok";
 		};
+		amba {
+			/* eMMC */
+			sdcc1: sdcc@12400000 {
+				status = "okay";
+			};
+
+			/* External micro SD card */
+			sdcc3: sdcc@12180000 {
+				status = "okay";
+			};
+		};
 	};
 };
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 60b89e5..640fb1d 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -2,6 +2,7 @@ 
 
 /include/ "skeleton.dtsi"
 
+#include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-msm8960.h>
 
 / {
@@ -147,5 +148,54 @@ 
 			#clock-cells = <1>;
 			#reset-cells = <1>;
 		};
+
+		/* Temporary fixed regulator */
+		vsdcc_fixed: vsdcc-regulator {
+			compatible = "regulator-fixed";
+			regulator-name = "SDCC Power";
+			regulator-min-microvolt = <2700000>;
+			regulator-max-microvolt = <2700000>;
+			regulator-always-on;
+		};
+
+		amba {
+			compatible = "arm,amba-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+			sdcc1: sdcc@12400000 {
+				status		= "disabled";
+				compatible	= "arm,pl18x", "arm,primecell";
+				arm,primecell-periphid = <0x00051180>;
+				reg		= <0x12400000 0x8000>;
+				interrupts	= <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names	= "cmd_irq";
+				clocks		= <&gcc SDC1_CLK>, <&gcc SDC1_H_CLK>;
+				clock-names	= "mclk", "apb_pclk";
+				bus-width	= <8>;
+				max-frequency	= <96000000>;
+				non-removable;
+				cap-sd-highspeed;
+				cap-mmc-highspeed;
+				vmmc-supply = <&vsdcc_fixed>;
+			};
+
+			sdcc3: sdcc@12180000 {
+				compatible	= "arm,pl18x", "arm,primecell";
+				arm,primecell-periphid = <0x00051180>;
+				status		= "disabled";
+				reg		= <0x12180000 0x8000>;
+				interrupts	= <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-names	= "cmd_irq";
+				clocks		= <&gcc SDC3_CLK>, <&gcc SDC3_H_CLK>;
+				clock-names	= "mclk", "apb_pclk";
+				bus-width	= <4>;
+				cap-sd-highspeed;
+				cap-mmc-highspeed;
+				max-frequency	= <192000000>;
+				no-1-8-v;
+				vmmc-supply = <&vsdcc_fixed>;
+			};
+		};
 	};
 };